Method for preparing TiO2/g-C3N4 composite visible light catalyst
A g-c3n4, visible light technology, used in physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of hidden safety hazards and high operational requirements for operators, and achieve light absorption rate and photocatalytic activity. High, simple process, many photocatalytic active centers
Active Publication Date: 2015-01-28
JIANGSU UNIVERSITY OF TECHNOLOGY
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Abstract
The invention discloses a method for preparing a TiO2/g-C3N4 composite visible light catalyst. The method comprises the following steps: firstly, uniformly dispersing a titanium source and a nitrogen source in ethanol, and subsequently dropping water into ethanol so as to obtain a mixed material; evaporating to dry the mixed material in a stirring state so as to obtain a precursor; transferring the prepared precursor to a muffle furnace, and calcining for 0.5-12 hours at 300-800 DEG C in the muffle furnace, thereby obtaining the TiO2/g-C3N4 composite visible light catalyst. The TiO2/g-C3N4 composite visible light catalyst can be prepared while TiO2 and g-C3N4 are prepared, and the synthesis of the two compounds TiO2 and g-C3N4 and the preparation of the composite visible light catalyst are achieved at one step; the process is simple, and industrialization production is easy to achieve. The composite visible light catalyst disclosed by the invention is rich in photocatalytic activity center, relatively high in both light absorption rate and photocatalytic activity, and relatively high in photocatalytic degradation rate of organisms.
Application Domain
Physical/chemical process catalystsWater/sewage treatment by irradiation +1
Technology Topic
Photocatalytic degradationMuffle furnace +8
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